Comtrend AR-5381U Wireless ADSL2+ router User Manual UM AR 5381u A2 0

Comtrend Corporation Wireless ADSL2+ router UM AR 5381u A2 0

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ok AR-5381u ADSL2+ WLAN Router User Manual Version A2.0, January 3, 2013 261056-064

1 Preface This manual provides information related to the installation and operation of this device. The individual reading this manual is presumed to have a basic understanding of telecommunications terminology and concepts. If you find the product to be inoperable or malfunctioning, please contact technical support for immediate service by email at INT-support@comtrend.com For product update, new product release, manual revision, or software upgrades, please visit our website at http://www.comtrend.com Important Safety Instructions With reference to unpacking, installation, use, and maintenance of your electronic device, the following basic guidelines are recommended: • Do not use or install this product near water, to avoid fire or shock hazard. For example, near a bathtub, kitchen sink or laundry tub, or near a swimming pool. Also, do not expose the equipment to rain or damp areas (e.g. a wet basement). • Do not connect the power supply cord on elevated surfaces. Allow it to lie freely. There should be no obstructions in its path and no heavy items should be placed on the cord. In addition, do not walk on, step on, or mistreat the cord. • Use only the power cord and adapter that are shipped with this device. • To safeguard the equipment against overheating, make sure that all openings in the unit that offer exposure to air are not blocked. • Avoid using a telephone (other than a cordless type) during an electrical storm. There may be a remote risk of electric shock from lightening. Also, do not use the telephone to report a gas leak in the vicinity of the leak. • Never install telephone wiring during stormy weather conditions. CAUTION:  To reduce the risk of fire, use only No. 26 AWG or larger telecommunication line cord.  Always disconnect all telephone lines from the wall outlet before servicing or disassembling this equipment. WARNING  Disconnect the power line from the device before servicing.  Power supply specifications are clearly stated in Appendix C - Specifications.

2 Copyright Copyright© 2012 Comtrend Corporation. All rights reserved. The information contained herein is proprietary to Comtrend Corporation. No part of this document may be translated, transcribed, reproduced, in any form, or by any means without the prior written consent of Comtrend Corporation. This program is free software: you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation, either version 3 of the License, or (at your option) any later version. This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with this program. If not, see http://www.gnu.org/licenses/ NOTE: This document is subject to change without notice. Protect Our Environment This symbol indicates that when the equipment has reached the end of its useful life, it must be taken to a recycling centre and processed separate from domestic waste. The cardboard box, the plastic contained in the packaging, and the parts that make up this router can be recycled in accordance with regionally established regulations. Never dispose of this electronic equipment along with your household waste; you may be subject to penalties or sanctions under the law. Instead, please be responsible and ask for disposal instructions from your local government.

3 Table of Contents CHAPTER 1 INTRODUCTION...........................................................................................................61.1 FEATURES........................................................................................................................................61.2 APPLICATION ...................................................................................................................................7CHAPTER 2 INSTALLATION.............................................................................................................82.1 HARDWARE SETUP...........................................................................................................................82.2 LED INDICATORS ..........................................................................................................................11CHAPTER 3 WEB USER INTERFACE............................................................................................133.1 DEFAULT SETTINGS .......................................................................................................................133.2 IP CONFIGURATION........................................................................................................................133.3 LOGIN PROCEDURE........................................................................................................................16CHAPTER 4 DEVICE INFORMATION...........................................................................................184.1 WAN.............................................................................................................................................194.2 STATISTICS.....................................................................................................................................204.2.1LAN Statistics..................................................................................................................204.2.2WAN Service Statistics....................................................................................................214.2.3xTM Statistics..................................................................................................................224.2.4xDSL Statistics................................................................................................................234.4 ARP...............................................................................................................................................284.5 DHCP ...........................................................................................................................................294.5.1 DHCPv4 ................................................................................................................................294.5.1 DHCPv6 ................................................................................................................................304.6 NAT SESSION ................................................................................................................................314.7 IGMP PROXY ................................................................................................................................324.8 IPV6.................................................................................................................................................334.8.1 IPv6 Info................................................................................................................................334.8.2 IPv6 Neighbor .......................................................................................................................344.8.2 IPv6 Route.............................................................................................................................35CHAPTER 5 ADVANCED SETUP.....................................................................................................365.1 LAYER 2 INTERFACE ......................................................................................................................365.1.1ATM Interface.................................................................................................................365.1.2PTM Interface.................................................................................................................365.1.3ETH INTERFACE...........................................................................................................375.2 WAN SERVICE...............................................................................................................................385.3 LAN..............................................................................................................................................395.3.1 LAN IPv6 Autoconfig.............................................................................................................425.3.2 Static IP Neighbor .................................................................................................................455.4 AUTO-DETECTION .........................................................................................................................465.5 NAT ..............................................................................................................................................475.5.1Virtual Servers................................................................................................................545.5.2Port Triggering...............................................................................................................565.5.3DMZ Host.......................................................................................................................585.5.4IP Address Map ..............................................................................................................595.5.5 IPSEC ALG.....................................................................................................................615.5.6 SIP ALG..........................................................................................................................625.6 SECURITY ......................................................................................................................................635.6.1IP Filtering .....................................................................................................................635.6.2MAC Filtering.................................................................................................................665.7 PARENTAL CONTROL .....................................................................................................................685.7.1Time Restriction..............................................................................................................685.7.2URL Filter.......................................................................................................................695.8 QUALITY OF SERVICE (QOS)..........................................................................................................715.8.1Queue Management Configuration ................................................................................715.8.2Queue Configuration......................................................................................................725.8.3QoS Classification..........................................................................................................745.9 ROUTING .......................................................................................................................................77

4 5.9.1Default Gateway.............................................................................................................775.9.2Static Route.....................................................................................................................785.9.3Policy Routing ................................................................................................................795.9.4RIP..................................................................................................................................805.10 DNS............................................................................................................................................815.10.1DNS Server.....................................................................................................................815.10.2Dynamic DNS .................................................................................................................825.10.3 DNS Entries....................................................................................................................845.11 DSL.............................................................................................................................................855.12 UPNP...........................................................................................................................................875.13 DNS PROXY/RELAY ....................................................................................................................885.14 PRINT SERVER .............................................................................................................................895.15 DLNA.........................................................................................................................................905.16 STORAGE SERVICE.......................................................................................................................915.17 INTERFACE GROUPING.................................................................................................................935.18 IP TUNNEL...................................................................................................................................965.18.1 IPv6inIPv4...........................................................................................................................965.18.2 IPv4inIPv6...........................................................................................................................985.19 IPSEC ........................................................................................................................................1005.20 CERTIFICATE..............................................................................................................................1045.20.1Local.............................................................................................................................1045.20.2Trusted CA....................................................................................................................1075.21 MULTICAST ...............................................................................................................................109CHAPTER 6 WIRELESS .......................................................................................................................1106.1 BASIC ..........................................................................................................................................1106.2 SECURITY ....................................................................................................................................1126.2.1 WPS ..................................................................................................................................... 1156.3 MAC FILTER ...............................................................................................................................1196.4 WIRELESS BRIDGE.......................................................................................................................1206.5 ADVANCED ..................................................................................................................................1226.6 SITE SURVEY ...............................................................................................................................1256.7 STATION INFO ..............................................................................................................................1266.8 WIFI BUTTON..............................................................................................................................127CHAPTER 7 DIAGNOSTICS...........................................................................................................1287.1 DIAGNOSTICS – INDIVIDUAL TESTS .............................................................................................1287.2 FAULT MANAGEMENT..................................................................................................................1297.3 UPTIME STATUS ...........................................................................................................................130CHAPTER 8 MANAGEMENT ........................................................................................................1318.1 SETTINGS.....................................................................................................................................1318.1.1Backup Settings.............................................................................................................1318.1.2Update Settings.............................................................................................................1318.1.3Restore Default.............................................................................................................1328.2 SYSTEM LOG ...............................................................................................................................1338.3 SNMP AGENT .............................................................................................................................1358.4 TR-069 CLIENT ...........................................................................................................................1368.5 INTERNET TIME ...........................................................................................................................1388.6 ACCESS CONTROL .......................................................................................................................1398.6.1Accounts/Passwords .....................................................................................................1398.6.2 Service Access...................................................................................................................1418.6.3 IP Address.........................................................................................................................1428.7 UPDATE SOFTWARE .....................................................................................................................1448.8 REBOOT.......................................................................................................................................145APPENDIX A - FIREWALL .............................................................................................................146APPENDIX B - SPECIFICATIONS.................................................................................................148APPENDIX C - SSH CLIENT ..........................................................................................................150APPENDIX D - WPS OPERATION.................................................................................................151APPENDIX E - CONNECTION SETUP.........................................................................................156

5 APPENDIX F - PRINTER SERVER................................................................................................187

6 Chapter 1 Introduction The AR-5381u is an 802.11n (300Mbps) Wireless ADSL2+ router. AR-5381u has four 10/100 Base-T Ethernet ports, a Wi-Fi Protected Setup (WPS) button and a Wi-Fi switch button, one USB Host, and is backward compatible with existing 802.11b (11Mbps) and 11g (54bps) equipment. The AR-5381u ADSL2+ router also provides state of the art security features such as 64/128 bit WEP encryption and WPA/WPA2 encryption, Firewall, and VPN pass through. The AR-5381u is designed for both residential and business applications that require wireless and wired connectivity to an ADSL broadband network. The AR-5381u supports up to 16 contiguous virtual connections allowing for multiple simultaneous Internet connections. The AR-5381u is also designed with TR-068 compliant color panel, which eases the installation of the modem and makes it more user-friendly. 1.1 Features • AR-5381u (Annex A) • IGMP Proxy • 2x2 MIMO wireless system • DHCP Server/Relay/Client • Integrated 802.11n AP (Backward compatible with 802.11b/g) • DNS Proxy • Auto PVC configuration • WPA/WPA2 and 802.1x • Per-VC packet level QoS • Wi-Fi Protected Setup (WPS) • Up to 16 VCs • Wireless Distribution System (WDS) support • Embedded SNMP agent • Web-based management • WMM & UPnP • Supports remote administration, • RADIUS client • IP/MAC address filtering • Static route/RIP/RIP v2 routing functions automatic firmware upgrade and configuration • Configuration backup and • Dynamic IP assignment • TR-068 compliant restoration • FTP/TFTP server

7 1.2 Application The following diagram depicts a typical application of the AR-5381u.

8 Chapter 2 Installation 2.1 Hardware Setup Follow the instructions below to complete the hardware setup. BACK PANEL The figure below shows the back panel of the device. ADSL Connect to the ADSL port with the ADSL RJ11 cable. Ethernet (LAN) Ports You can connect the router to up to four LAN devices using RJ45 cables. The ports are auto-sensing MDI/X and either straight-through or crossover cable can be used. USB Host Port (Type A) This port can be used to connect the router to the print server. Power ON Press the power button to the OFF position (OUT). Connect the power adapter to the power port. Attach the power adapter to a wall outlet or other AC source. Press the power button to the ON position (IN). If the Power LED displays as expected then the device is ready for setup (see section 2.2 LED Indicators). Caution 1: If the device fails to power up, or it malfunctions, first verify that the power cords are connected securely and then power it on again. If the problem persists, contact technical support. Caution 2: Before servicing or disassembling this equipment, disconnect all power cords and telephone lines from their outlets. Reset Button Restore the default parameters of the device by pressing the Reset button for 10 seconds. After the device has rebooted successfully, the front panel should display as expected (see section 2.2 LED Indicators for details). NOTE: If pressed down for more than 60 seconds, the AR-5381u will go into a firmware update state (CFE boot mode). The firmware can then be updated using an Internet browser pointed to the default IP address.

9 FRONT PANEL The Wi-Fi & WPS buttons are located on the bottom-left of the front panel, as shown. WiFi Switch Press this button to enable/disable the wireless LAN (WLAN). WPS Button Press this button to begin searching for WPS clients. These clients must also enable WPS push button mode (see

10 6.2.1 WPS for instructions).

11 2.2 LED Indicators The front panel LED indicators are shown below and explained in the following table. This information can be used to check the status of the device and its connections. LED Color Mode Function On The device is powered up. Off The device is powered down. Green Blink Upgrade is in process. POWER Red On POST (Power On Self Test) failure or other malfunction1. On An Ethernet Link is established. Off An Ethernet Link is not established. ETH 1X-4X Green Blink Data transmitting or receiving over Ethernet. On WPS enabled and PC connected to WLAN Off  WPS disenabled when WPS configured  After clients connected to router about 5 minutes, LED is off WPS Green Blink The router is searching for WPS clients or WPS un-configured. On The wireless module is ready. (i.e. installed and enabled). Off The wireless module is not ready. (i.e. either not installed or disabled). Wi-Fi Green Blink Data transmitting or receiving over WLAN. On The DSL Link is established. Off Modem is powered off. DSL Green Blink DSL attempting sync:  Flashing at 2 Hz with a 50% duty cycle when trying to detect carrier signal  Flashing at 4 Hz with a 50% duty cycle when the carrier has been detected and the modem is trying to train

12 On IP connected and no traffic detected 2. Off Modem power off or modem in bridged mode. Green Blink IP connected and IP Traffic is passing thru the device (either direction). INTERNET Red On Device attempted to become IP connected and failed (no DHCP response, no PPPoE response, PPPoE authentication failed, no IP address from IPCP, etc.). 1 A malfunction is any error of internal sequence or state that will prevent the device from connecting to the DSLAM or passing customer data. This may be identified at various times such after power on or during operation through the use of self testing or in operations which result in a unit state that is not expected or should not occur. 2 IP connected (the device has a WAN IP address from IPCP or DHCP and DSL is up or a static IP address is configured, PPP negotiation has successfully complete – if used – and DSL is up ) and no traffic detected. If the IP or PPPoE session is dropped for any other reason, the light is turned off. The light will turn red when it attempts to reconnect and DHCP or PPPoE fails.

14 STEP 4: Click OK to submit these settings. If you experience difficulty with DHCP mode, you can try static IP mode instead.

15 STATIC IP MODE In static IP mode, you assign IP settings to your PC manually. Follow these steps to configure your PC IP address to use subnet 192.168.1.x. NOTE: The following procedure assumes you are running Windows XP. However, the general steps involved are similar for most operating systems (OS). Check your OS support documentation for further details. STEP 1: From the Network Connections window, open Local Area Connection (You may also access this screen by double-clicking the Local Area Connection icon on your taskbar). Click the Properties button. STEP 2: Select Internet Protocol (TCP/IP) and click the Properties button. STEP 3: Change the IP address to the 192.168.1.x (1<x<255) subnet with subnet mask of 255.255.255.0. The screen should now display as shown below. STEP 4: Click OK to submit these settings.

16 3.3 Login Procedure Perform the following steps to login to the web user interface. NOTE: The default settings can be found in 3.1 Default Settings. STEP 1: Start the Internet browser and enter the default IP address for the device in the Web address field. For example, if the default IP address is 192.168.1.1, type http://192.168.1.1. NOTE: For local administration (i.e. LAN access), the PC running the browser must be attached to the Ethernet, and not necessarily to the device. For remote access (i.e. WAN), use the IP address shown on the Chapter 4 Device Information screen and login with remote username and password. STEP 2: A dialog box will appear, such as the one below. Enter the default username and password, as defined in section 3.1 Default Settings. Click OK to continue. NOTE: The login password can be changed later (see 8.6.1 Passwords).

17 STEP 3: After successfully logging in for the first time, you will reach this screen.

18 Chapter 4 Device Information The web user interface window is divided into two frames, the main menu (at left) and the display screen (on the right). The main menu has several options and selecting each of these options opens a submenu with more selections. NOTE: The menu items shown are based upon the configured connection(s) and user account privileges. For example, if NAT and Firewall are enabled, the main menu will display the NAT and Security submenus. If either is disabled, their corresponding menu(s) will also be disabled. Device Info is the first selection on the main menu so it will be discussed first. Subsequent chapters will introduce the other main menu options in sequence. The Device Info Summary screen displays at startup. This screen shows hardware, software, IP settings and other related information.

19 4.1 WAN Select WAN from the Device Info submenu to display the configured PVC(s). Heading Description Interface Name of the interface for WAN Description Name of the WAN connection Type Shows the connection type VlanMuxId Shows 802.1Q VLAN ID IPv6 Shows WAN IPv6 address IGMP Shows Internet Group Management Protocol (IGMP) status MLD Shows Multicast Listener Discovery (MLD) status NAT Shows Network Address Translation (NAT) status Firewall Shows the status of Firewall Status Lists the status of DSL link IPv4 Address Shows WAN IPv4 address IPv6 Address Shows WAN IPv6 address

20 4.2 Statistics This selection provides LAN, WAN Service, XTM and xDSL statistics. NOTE: These screens are updated automatically every 15 seconds. Click Reset Statistics to perform a manual update. 4.2.1 LAN Statistics This screen shows data traffic statistics for each LAN interface. Heading Description Interface LAN interface(s) Received/Transmitted: - Bytes - Pkts - Errs - Drops Number of Bytes Number of Packets Number of packets with errors Number of dropped packets

21 4.2.2 WAN Service Statistics This screen shows data traffic statistics for each WAN interface. Heading Description Interface WAN interfaces Description WAN service label Received/Transmitted - Bytes - Pkts - Errs - Drops Number of Bytes Number of Packets Number of packets with errors Number of dropped packets

22 4.2.3 xTM Statistics The following figure shows Asynchronous Transfer Mode (xTM) statistics. ATM Interface Statistics Heading Description Port Number ATM PORT (0-3) In Octets Number of octets received over the interface Out Octets Number of octets transmitted over the interface In Packets Number of packets received over the interface Out Packets Number of packets transmitted over the interface In OAM Cells Number of OAM Cells received over the interface Out OAM Cells Number of OAM Cells transmitted over the interface In ASM Cells Number of ASM Cells received over the interface Out ASM Cells Number of ASM Cells transmitted over the interface In Packet Errors Number of packets in Error In Cell Errors Number of cells in Error.

23 4.2.4 xDSL Statistics The xDSL Statistics screen displays information corresponding to the xDSL type. ADSL Click the Reset Statistics button to refresh this screen. Field Description Mode G.Dmt, G.lite, T1.413, ADSL2, ADSL2+, Traffic Type Channel type Interleave or Fast

24 Field Description Status Lists the status of the DSL link Link Power State Link output power state. Line Coding (Trellis) Trellis On/Off SNR Margin (0.1 dB) Signal to Noise Ratio (SNR) margin Attenuation (0.1 dB) Estimate of average loop attenuation in the downstream direction. Output Power (0.1 dBm) Total upstream output power Attainable Rate (Kbps) The sync rate you would obtain. Rate (Kbps) Current sync rates downstream/upstream In ADSL2+ mode, the following section is inserted. MSGc Number of bytes in overhead channel message B Number of bytes in Mux Data Frame M Number of Mux Data Frames in FEC Data Frame T Mux Data Frames over sync bytes R Number of check bytes in FEC Data Frame S Ratio of FEC over PMD Data Frame length L Number of bits in PMD Data Frame D The interleaver depth Delay The delay in milliseconds (msec) INP DMT symbol In G.DMT mode, the following section is inserted. K Number of bytes in DMT frame R Number of check bytes in RS code word S RS code word size in DMT frame D The interleaver depth Delay The delay in milliseconds (msec) OH Frames Total number of OH frames OH Frame Errors Number of OH frames received with errors RS Words Total number of Reed-Solomon code errors RS Correctable Errors Total Number of RS with correctable errors RS Uncorrectable Errors Total Number of RS words with uncorrectable errors HEC Errors Total Number of Header Error Checksum errors OCD Errors Total Number of Out-of-Cell Delineation errors LCD Errors Total number of Loss of Cell Delineation Total Cells Total number of ATM cells (including idle + data cells)

25 Data Cells Total number of ATM data cells Bit Errors Total number of bit errors Total ES Total Number of Errored Seconds Total SES Total Number of Severely Errored Seconds Total UAS Total Number of Unavailable Seconds xDSL BER TEST Click xDSL BER Test on the xDSL Statistics screen to test the Bit Error Rate (BER). A small pop-up window will open after the button is pressed, as shown below. Click Start to start the test or click Close to cancel the test. After the BER testing is complete, the pop-up window will display as follows.

26 xDSL GRAPH Click Draw Graph on the xDSL Statistics screen and a pop-up window will display the xDSL bits per tone status, SNR, QLN and Hlog of the current xDSL connection, as shown below.

27 4.3 Route Choose Route to display the routes that the AR-5381u-NA2 has found. Field Description Destination Destination network or destination host Gateway Next hub IP address Subnet Mask Subnet Mask of Destination Flag U: route is up !: reject route G: use gateway H: target is a host R: reinstate route for dynamic routing D: dynamically installed by daemon or redirect M: modified from routing daemon or redirect Metric The 'distance' to the target (usually counted in hops). It is not used by recent kernels, but may be needed by routing daemons. Service Shows the WAN connection label Interface Shows connection interfaces

28 4.4 ARP Click ARP to display the ARP information. Field Description IP address Shows IP address of host pc Flags Complete, Incomplete, Permanent, or Publish HW Address Shows the MAC address of host pc Device Shows the connection interface

29 4.5 DHCP 4.5.1 DHCPv4 Click DHCPv4 to display all DHCPv4 Leases. Field Description Hostname Shows the device/host/PC network name MAC Address Shows the Ethernet MAC address of the device/host/PC IP Address Shows IP address of device/host/PC Expires In Shows how much time is left for each DHCP Lease

30 4.5.1 DHCPv6 Click DHCPv6 to display all DHCPv6 Leases. Field Description Hostname Shows the device/host/PC network name MAC Address Shows the Ethernet MAC address of the device/host/PC IP Address Shows IP address of device/host/PC Expires In Shows how much time is left for each DHCP Lease

31 4.6 NAT Session Press "Show All" will show all NAT session information. Pressing "Show Less" will show NAT session information on the WAN side only.

32 4.7 IGMP Proxy Displays a list of IGMP Proxy entries.

33 4.8 IPv6 4.8.1 IPv6 Info Field Description Interface WAN interface with IPv6 enabled Status Connection status of the WAN interface Address IPv6 Address of the WAN interface Prefix Prefix received/configured on the WAN interface Device Link-local Address The CPE's LAN Address Default IPv6 Gateway The default WAN IPv6 gateway IPv6 DNS Server The IPv6 DNS servers received from the WAN interface / configured manually

34 4.8.2 IPv6 Neighbor Provides a list of IPv6 devices found in the network. Field Description IPv6 Address Ipv6 address of the device(s) found Flags Status of the neighbor device HW Address MAC address of the neighbor device Device Interface from which the device is located

35 4.8.2 IPv6 Route Field Description Destination Destination IP Address Gateway Gateway address used for destination IP Metric Metric specified for gateway Interface Interface used for destination IP

36 Chapter 5 Advanced Setup 5.1 Layer 2 Interface The ATM interface screen is described here. 5.1.1 ATM Interface Add or remove ATM interface connections here. Click Add to create a new ATM interface (see Appendix E - Connection Setup). NOTE: Up to 16 ATM interfaces can be created and saved in flash memory. To remove a connection, select its Remove column radio button and click Remove. 5.1.2 PTM Interface Add or remove PTM interface connections here. Click Add to create a new connection (see Appendix E - Connection Setup). To remove a connection, select its Remove column radio button and click Remove.

37 5.1.3 ETH INTERFACE This screen displays the Ethernet WAN Interface configuration. Click Add to create a new connection (see Appendix E - Connection Setup). NOTE: One Ethernet WAN interface can be created and saved in flash memory. To remove a connection, select its Remove column radio button and click remove.

38 5.2 WAN Service This screen allows for the configuration of WAN interfaces. Click the Add button to create a new connection. For connections on ATM or ETH WAN interfaces see Appendix E - Connection Setup. NOTE: In Default Mode, up to 16 WAN connections can be configured; while VLAN Mux Connection Mode supports up to 16 WAN connections. To remove a connection, select its Remove column radio button and click Remove. Heading Description Interface Name of the interface for WAN Description Name of the WAN connection Type Shows the connection type Vlan8021p VLAN ID is used for VLAN Tagging (IEEE 802.1Q) VlanMuxId Shows 802.1Q VLAN ID IGMP Shows Internet Group Management Protocol (IGMP) status NAT Shows Network Address Translation (NAT) status Firewall Shows the Security status IPv6 Shows the WAN IPv6 address MLD Shows Multicast Listener Discovery (MLD) status Remove Select interfaces to remove To remove a connection, select its Remove column radio button and click Remove. To Add a new WAN connection, click the Add button and follow the instructions. NOTE: Up to 16 PVC profiles can be configured and saved in flash memory.

39 5.3 LAN Configure the LAN interface settings and then click Apply/Save. Consult the field descriptions below for more details. GroupName: Select an Interface Group. 1st LAN INTERFACE IP Address: Enter the IP address for the LAN port. Subnet Mask: Enter the subnet mask for the LAN port. Enable IGMP Snooping: Enable by ticking the checkbox . Standard Mode: In standard mode, multicast traffic will flood to all bridge ports when no client subscribes to a multicast group – even if IGMP snooping is enabled.

40 Blocking Mode: In blocking mode, the multicast data traffic will be blocked and not flood to all bridge ports when there are no client subscriptions to any multicast group. Enable LAN side firewall: Enable by ticking the checkbox . DHCP Server: To enable DHCP, select Enable DHCP server and enter Start and End IP addresses and the Leased Time. This setting configures the router to automatically assign IP, default gateway and DNS server addresses to every PC on your LAN. Static IP Lease List: A maximum of 32 entries can be configured. To add an entry, enter MAC address and Static IP and then click Save/Apply. To remove an entry, tick the corresponding checkbox  in the Remove column and then click the Remove Entries button, as shown below. DHCP Server Relay: Enable with checkbox  and enter DHCP Server IP address. This allows the Router to relay the DHCP packets to the remote DHCP server. The remote DHCP server will provide the IP address. This option is hidden if NAT is enabled or when the router is configured with only one Bridge PVC. 2ND LAN INTERFACE To configure a secondary IP address, tick the checkbox  outlined (in RED) below.

41 IP Address: Enter the secondary IP address for the LAN port. Subnet Mask: Enter the secondary subnet mask for the LAN port. Ethernet Media Type: Configure auto negotiation, or enforce selected speed and duplex mode for each Ethernet port.

42 5.3.1 LAN IPv6 Autoconfig Configure the LAN interface settings and then click Apply/Save. Consult the field descriptions below for more details.

43 LAN IPv6 Link-Local Address Configuration Heading Description EUI-64 Use EUI-64 algorithm to calculate link-local address from MAC address User Setting Use the Interface Identifier field to define a link-local address Static LAN IPv6 Address Configuration Heading Description Interface Address (prefix length is required): Configure static LAN IPv6 address and subnet prefix length IPv6 LAN Applications Heading Description Stateless Use stateless configuration Refresh Time (sec): The information refresh time option specifies how long a client should wait before refreshing information retrieved from DHCPv6 Stateful Use stateful configuration Start interface ID: Start of interface ID to be assigned to dhcpv6 client End interface ID: End of interface ID to be assigned to dhcpv6 client Leased Time (hour): Lease time for dhcpv6 client to use the assigned IP address Static IP Lease List: A maximum of 32 entries can be configured. To add an entry, enter MAC address and Static IP and then click Save/Apply.

44 To remove an entry, tick the corresponding checkbox  in the Remove column and then click the Remove Entries button, as shown below. Heading Description Enable RADVD Enable use of router advertisement daemon RA interval Min(sec): Minimum time to send router advertisement RA interval Max(sec): Maximum time to send router advertisement Reachable Time(ms): The time, in milliseconds that a neighbor is reachable after receiving reachability confirmation Default Preference: Preference level associated with the default router MTU (bytes): MTU value used in router advertisement messages to insure that all nodes on a link use the same MTU value Enable Prefix Length Relay Use prefix length receive from WAN interface Enable Configuration Mode Manually configure prefix, prefix length, preferred lifetime and valid lifetime used in router advertisement Enable ULA Prefix Advertisement Allow RADVD to advertise Unique Local Address Prefix Randomly Generate Use a Randomly Generated Prefix Statically Configure Prefix Specify the prefix to be used Statically Configure The prefix to be used Preferred Life Time (hour) The preferred life time for this prefix Valid Life Time (hour) The valid life time for this prefix Enable MLD Snooping Enable/disable IPv6 multicast forward to LAN ports

45 5.3.2 Static IP Neighbor Click the Add button to display the following. Heading Description IP Version The IP version used for the neighbor device IP Address Define the IP Address for the neighbor device MAC Address The MAC Address of the neighbor device Associated Interface The interface where the neighbor device is located

46 5.4 Auto-Detection The auto-detection function is used for CPE to detect WAN service for either ETHWAN or xDSL interface. The feature is designed for the scenario that requires only one WAN service in different applications. Tick the Checkbox to display the following. Enter the given PPP username/password and pre-configure service list for auto-detection. After that, clicking "Apply/Save" will activate the auto-detect function.

47 5.5 NAT To display this option, NAT must be enabled in at least one PVC shown on the Chapter 5 Advanced Setup

48 4.5.1 DHCPv6 Click DHCPv6 to display all DHCPv6 Leases. Field Description Hostname Shows the device/host/PC network name MAC Address Shows the Ethernet MAC address of the device/host/PC IP Address Shows IP address of device/host/PC Expires In Shows how much time is left for each DHCP Lease

49 4.6 NAT Session Press "Show All" will show all NAT session information. Pressing "Show Less" will show NAT session information on the WAN side only.

50 4.7 IGMP Proxy Displays a list of IGMP Proxy entries. 

51 4.8 IPv6 4.8.1 IPv6 Info Field Description Interface WAN interface with IPv6 enabled Status Connection status of the WAN interface Address IPv6 Address of the WAN interface Prefix Prefix received/configured on the WAN interface Device Link-local Address The CPE's LAN Address Default IPv6 Gateway The default WAN IPv6 gateway IPv6 DNS Server The IPv6 DNS servers received from the WAN interface / configured manually

52 4.8.2 IPv6 Neighbor Provides a list of IPv6 devices found in the network. Field Description IPv6 Address Ipv6 address of the device(s) found Flags Status of the neighbor device HW Address MAC address of the neighbor device Device Interface from which the device is located

53 4.8.2 IPv6 Route Field Description Destination Destination IP Address Gateway Gateway address used for destination IP Metric Metric specified for gateway Interface Interface used for destination IP

54 - . NAT is not an available option in Bridge mode. 5.5.1 Virtual Servers Virtual Servers allow you to direct incoming traffic from the WAN side (identified by Protocol and External port) to the internal server with private IP addresses on the LAN side. The Internal port is required only if the external port needs to be converted to a different port number used by the server on the LAN side. A maximum of 32 entries can be configured. To add a Virtual Server, click Add. The following will be displayed.

55 Consult the table below for field and header descriptions. Field/Header Description Use Interface Select a WAN interface from the drop-down box. Select a Service Or Custom Service User should select the service from the list. Or User can enter the name of their choice. Server IP Address Enter the IP address for the server. External Port Start Enter the starting external port number (when you select Custom Server). When a service is selected, the port ranges are automatically configured. External Port End Enter the ending external port number (when you select Custom Server). When a service is selected, the port ranges are automatically configured. Protocol TCP, TCP/UDP, or UDP. Internal Port Start Enter the internal port starting number (when you select Custom Server). When a service is selected the port ranges are automatically configured Internal Port End Enter the internal port ending number (when you select Custom Server). When a service is selected, the port ranges are automatically configured.

56 5.5.2 Port Triggering Some applications require that specific ports in the firewall be opened for access by the remote parties. Port Triggers dynamically 'Open Ports' in the firewall when an application on the LAN initiates a TCP/UDP connection to a remote party using the 'Triggering Ports'. The Router allows the remote party from the WAN side to establish new connections back to the application on the LAN side using the 'Open Ports'. A maximum 32 entries can be configured. To add a Trigger Port, click Add. The following will be displayed. Consult the table below for field and header descriptions.

57 Field/Header Description Use Interface Select a WAN interface from the drop-down box. Select an Application Or Custom Application User should select the application from the list. Or User can enter the name of their choice. Trigger Port Start Enter the starting trigger port number (when you select custom application). When an application is selected, the port ranges are automatically configured. Trigger Port End Enter the ending trigger port number (when you select custom application). When an application is selected, the port ranges are automatically configured. Trigger Protocol TCP, TCP/UDP, or UDP. Open Port Start Enter the starting open port number (when you select custom application). When an application is selected, the port ranges are automatically configured. Open Port End Enter the ending open port number (when you select custom application). When an application is selected, the port ranges are automatically configured. Open Protocol TCP, TCP/UDP, or UDP.

58 5.5.3 DMZ Host The DSL router will forward IP packets from the WAN that do not belong to any of the applications configured in the Virtual Servers table to the DMZ host computer. To Activate the DMZ host, enter the DMZ host IP address and click Save/Apply. To Deactivate the DMZ host, clear the IP address field and click Save/Apply.

59 5.5.4 IP Address Map Mapping Local IP (LAN IP) to some specified Public IP (WAN IP). Consult the table below for field and header descriptions. Field/Header Description Rule The number of the rule Type Mapping type from local to public. Local Start IP The beginning of the local IP Local End IP The ending of the local IP Public Start IP The beginning of the public IP Public End IP The ending of the public IP Remove Remove this rule Click the Add button to display the following screen.

60 Select a Service, then click the Save/Apply button. One to One: mapping one local IP to a specific public IP Many to One: mapping a range of local IP to a specific public IP Many to Many(Overload): mapping a range of local IP to a different range of public IP Many to Many(No Overload): mapping a range of local IP to a same range of public IP

61 5.5.5 IPSEC ALG IPSEC ALG provides multiple VPN passthrough connection support, allowing different clients on LAN side to establish a secured IP Connection to the WAN server. To enable IPSEC ALG, tick the checkbox and click the Save button.

62 5.5.6 SIP ALG This page allows you to enable / disable SIP ALG.

63 5.6 Security To display this function, you must enable the firewall feature in WAN Setup. For detailed descriptions, with examples, please consult Appendix A - Firewall. 5.6.1 IP Filtering This screen sets filter rules that limit IP traffic (Outgoing/Incoming). Multiple filter rules can be set and each applies at least one limiting condition. For individual IP packets to pass the filter all conditions must be fulfilled. NOTE: This function is not available when in bridge mode. Instead, 5.6.2 MAC Filtering performs a similar function. OUTGOING IP FILTER By default, all outgoing IP traffic is allowed, but IP traffic can be blocked with filters. To add a filter (to block some outgoing IP traffic), click the Add button. On the following screen, enter your filter criteria and then click Apply/Save.

64 Consult the table below for field descriptions. Field Description Filter Name The filter rule label. IP Version IPv4 selected by default. Protocol TCP, TCP/UDP, UDP, or ICMP. Source IP address Enter source IP address. Source Port (port or port:port) Enter source port number or range. Destination IP address Enter destination IP address. Destination Port (port or port:port) Enter destination port number or range. INCOMING IP FILTER By default, all incoming IP traffic is blocked, but IP traffic can be allowed with filters. To add a filter (to allow incoming IP traffic), click the Add button. On the following screen, enter your filter criteria and then click Apply/Save.

65 Consult the table below for field descriptions. Field Description Filter Name The filter rule label IP Version IPv4 selected by default. Protocol TCP, TCP/UDP, UDP, or ICMP. Policy Permit/Drop packets specified by the firewall rule. Source IP address Enter source IP address. Source Port (port or port:port) Enter source port number or range. Destination IP address Enter destination IP address. Destination Port (port or port:port) Enter destination port number or range. At the bottom of this screen, select the WAN and LAN Interfaces to which the filter rule will apply. You may select all or just a subset. WAN interfaces in bridge mode or without firewall enabled are not available.

66 5.6.2 MAC Filtering NOTE: This option is only available in bridge mode. Other modes use 5.6.1 IP Filtering to perform a similar function. Each network device has a unique 48-bit MAC address. This can be used to filter (block or forward) packets based on the originating device. MAC filtering policy and rules for the AR-5381u can be set according to the following procedure. The MAC Filtering Global Policy is defined as follows. FORWARDED means that all MAC layer frames will be FORWARDED except those matching the MAC filter rules. BLOCKED means that all MAC layer frames will be BLOCKED except those matching the MAC filter rules. The default MAC Filtering Global policy is FORWARDED. It can be changed by clicking the Change Policy button. Choose Add or Remove to configure MAC filtering rules. The following screen will appear when you click Add. Create a filter to identify the MAC layer frames by specifying at least one condition below. If multiple conditions are specified, all of them must be met. Click Save/Apply to save and activate the filter rule.

67 Consult the table below for detailed field descriptions. Field Description Protocol Type PPPoE, IPv4, IPv6, AppleTalk, IPX, NetBEUI, IGMP Destination MAC Address Defines the destination MAC address Source MAC Address Defines the source MAC address Frame Direction Select the incoming/outgoing packet interface WAN Interfaces Applies the filter to the selected bridge interface.

68 5.7 Parental Control This selection provides WAN access control functionality. 5.7.1 Time Restriction This feature restricts access from a LAN device to an outside network through the device on selected days at certain times. Make sure to activate the Internet Time server synchronization as described in 8.5 Internet Time, so that the scheduled times match your local time. Click Add to display the following screen. See below for field descriptions. Click Apply/Save to add a time restriction.

69 User Name: A user-defined label for this restriction. Browser's MAC Address: MAC address of the PC running the browser. Other MAC Address: MAC address of another LAN device. Days of the Week: The days the restrictions apply. Start Blocking Time: The time the restrictions start. End Blocking Time: The time the restrictions end. 5.7.2 URL Filter This screen allows for the creation of a filter rule for access rights to websites based on their URL address and port number. Select URL List Type: Exclude or Include. Then click Add to display the following screen. Enter the URL address and port number then click Save/Apply to add the entry to the URL filter. URL Addresses begin with “www”, as shown in this example.

70 A maximum of 100 entries can be added to the URL Filter list. Tick the Exclude radio button to deny access to the websites listed. Tick the Include radio button to restrict access to only those listed websites.

71 5.8 Quality of Service (QoS) NOTE: QoS must be enabled in at least one PVC to display this option. (See Appendix E - Connection Setup for detailed PVC setup instructions). 5.8.1 Queue Management Configuration To Enable QoS tick the checkbox  and select a Default DSCP Mark. Click Apply/Save to activate QoS. QoS and DSCP Mark are defined as follows: Quality of Service (QoS): This provides different priority to different users or data flows, or guarantees a certain level of performance to a data flow in accordance with requests from Queue Prioritization. Default Differentiated Services Code Point (DSCP) Mark: This specifies the per hop behavior for a given flow of packets in the Internet Protocol (IP) header that do not match any other QoS rule.

72 5.8.2 Queue Configuration This function follows the Differentiated Services rule of IP QoS. You can create a new Queue entry by clicking the Add button. Enable and assign an interface and precedence on the next screen. Click Save/Reboot on this screen to activate it. Click Enable to activate the QoS Queue. Click Add to display the following screen.

73 Name: Identifier for this Queue entry. Enable: Enable/Disable the Queue entry. Interface: Assign the entry to a specific network interface (QoS enabled).

74 5.8.3 QoS Classification The network traffic classes are listed in the following table. Click Add to configure a network traffic class rule and Enable to activate it. To delete an entry from the list, click Remove. This screen creates a traffic class rule to classify the upstream traffic, assign queuing priority and optionally overwrite the IP header DSCP byte. A rule consists of a class name and at least one logical condition. All the conditions specified in the rule must be satisfied for it to take effect.

75 Field Description Traffic Class Name Enter a name for the traffic class. Rule Order Last is the only option. Rule Status Disable or enable the rule. Classification Criteria Class Interface Select an interface (i.e. Local, eth0-4, wl0) Ether Type Set the Ethernet type (e.g. IP, ARP, IPv6). Source MAC Address A packet belongs to SET-1, if a binary-AND of its source MAC address with the Source MAC Mask is equal to the binary-AND of the Source MAC Mask and this field. Source MAC Mask This is the mask used to decide how many bits are checked in Source MAC Address.

76 Field Description Destination MAC Address A packet belongs to SET-1 then the result that the Destination MAC Address of its header binary-AND to the Destination MAC Mask must equal to the result that this field binary-AND to the Destination MAC Mask. Destination MAC Mask This is the mask used to decide how many bits are checked in Destination MAC Address. Classification Results Specify Class Queue Select corresponding queue to deliver outgoing traffic. Mark Differentiated Service Code Point The selected Code Point gives the corresponding priority to packets that satisfy the rule. Mark 802.1p Priority Select between 0-7. Lower values have higher priority.

77 5.9 Routing These following routing functions are accessed from this menu: Default Gateway, Static Route, Policy Routing and RIP. NOTE: In bridge mode, the RIP menu option is hidden while the other menu options are shown but ineffective. 5.9.1 Default Gateway Default gateway interface list can have multiple WAN interfaces served as system default gateways but only one will be used according to the priority with the first being the highest and the last one the lowest priority if the WAN interface is connected. Priority order can be changed by removing all and adding them back in again.

78 5.9.2 Static Route This option allows for the configuration of static routes by destination IP. Click Add to create a static route or click Remove to delete a static route. After clicking Add the following screen will display. Input the Destination IP Address, select the interface type, Input the Gateway IP, (and the Metric number if required). Then, click Apply/Save to add an entry to the routing table.

79 5.9.3 Policy Routing This option allows for the configuration of static routes by policy. Click Add to create a routing policy or Remove to delete one. On the following screen, complete the form and click Apply/Save to create a policy.

80 5.9.4 RIP To activate RIP, configure the RIP version/operation mode and select the Enabled checkbox  for at least one WAN interface before clicking Save/Apply.

81 5.10 DNS 5.10.1 DNS Server Select DNS Server Interface from available WAN interfaces OR enter static DNS server IP addresses for the system. In ATM mode, if only a single PVC with IPoA or static IPoE protocol is configured, Static DNS server IP addresses must be entered. DNS Server Interfaces can have multiple WAN interfaces served as system dns servers but only one will be used according to the priority with the first being the highest and the last one the lowest priority if the WAN interface is connected. Priority order can be changed by removing all and adding them back in again. IfisnoIPv6WANinterfaceisconfigured,awarningmessagesystemwillpopupwhenaccessingDNSServer.

82 5.10.2 Dynamic DNS The Dynamic DNS service allows you to map a dynamic IP address to a static hostname in any of many domains, allowing the AR-5381u to be more easily accessed from various locations on the Internet. To add a dynamic DNS service, click Add. The following screen will display.

83 Consult the table below for field descriptions. Field Description D-DNS provider Select a dynamic DNS provider from the list Hostname Enter the name of the dynamic DNS server Interface Select the interface from the list Username Enter the username of the dynamic DNS server Password Enter the password of the dynamic DNS server

84 5.10.3 DNS Entries The DNS Entry page allows you to add domain names and IP address desired to be resolved by the DSL router. Choose Add or Remove to configure DNS Entry. The entries will become active after save/reboot. Enter the domain name and IP address that needs to be resolved locally, and click the Add Entry button.

85 5.11 DSL The DSL Settings screen allows for the selection of DSL modulation modes. For optimum performance, the modes selected should match those of your ISP. DSL Mode Data Transmission Rate - Mbps (Megabits per second) G.Dmt Downstream: 12 Mbps Upstream: 1.3 Mbps G.lite Downstream: 4 Mbps Upstream: 0.5 Mbps T1.413 Downstream: 8 Mbps Upstream: 1.0 Mbps ADSL2 Downstream: 12 Mbps Upstream: 1.0 Mbps AnnexL Supports longer loops but with reduced transmission rates ADSL2+ Downstream: 24 Mbps Upstream: 1.0 Mbps AnnexM Downstream: 24 Mbps Upstream: 3.5 Mbps Options Description Inner/Outer Pair Select the inner or outer pins of the twisted pair (RJ11 cable) Bitswap Enable Enables adaptive handshaking functionality

86 DSL Mode Data Transmission Rate - Mbps (Megabits per second) SRA Enable Enables Seamless Rate Adaptation (SRA) DSL LED behavior Normal (TR-68 compliant) – DSL LED blink/on/off following TR-68 standard Off – always turn off DSL LED G997.1 EOC xTU-R Serial Number Select Equipment Serial Number or Equipment MAC Address to use router’s serial number or MAC address in ADSL EOC messages Advanced DSL Settings Click Advanced Settings to reveal additional options. On the following screen you can select a test mode or modify tones by clicking Tone Selection. Click Apply to implement these settings and return to the previous screen. On this screen you select the tones you want activated, then click Apply and Close.

87 5.12 UPnP Select the checkbox  provided and click Apply/Save to enable UPnP protocol.

88 5.13 DNS Proxy/Relay DNS proxy receives DNS queries and forwards DNS queries to the Internet. After the CPE gets answers from the DNS server, it replies to the LAN clients. Configure DNS proxy with the default setting, when the PC gets an IP via DHCP, the domain name, Home, will be added to PC’s DNS Suffix Search List, and the PC can access route with “Comtrend.Home”. DNS Relay When DNS Relay is enabled, the router will play a role as DNS server that send request to ISP DNS server and cache the information for later access. When DNS relay is disabled, the computer will pull information from ISP DNS server.

89 5.14 Print Server The AR-5381u can provide printer support through an optional USB2.0 host port. If your device has this port, refer to Appendix F - Printer Server for detailed setup instructions.

90 5.15 DLNA Enabling DLNA allows users to share digital media, like pictures, music and video, to other LAN devices from the digital media server.

91 5.16 Storage Service Enabling Samba service allows the user to share files on the storage device. Different levels of user access can be configured after samba security mode is enabled. This page also displays storage devices attached to USB host. Display after storage device attached (for your reference).

93 5.17 Interface Grouping Interface Grouping supports multiple ports to PVC and bridging groups. Each group performs as an independent network. To use this feature, you must create mapping groups with appropriate LAN and WAN interfaces using the Add button. The Remove button removes mapping groups, returning the ungrouped interfaces to the Default group. Only the default group has an IP interface. To add an Interface Group, click the Add button. The following screen will appear. It lists the available and grouped interfaces. Follow the instructions shown onscreen.

94 Automatically Add Clients With Following DHCP Vendor IDs: Add support to automatically map LAN interfaces to PVC's using DHCP vendor ID (option 60). The local DHCP server will decline and send the requests to a remote DHCP server by mapping the appropriate LAN interface. This will be turned on when Interface Grouping is enabled.

95 For example, imagine there are 4 PVCs (0/33, 0/36, 0/37, 0/38). VPI/VCI=0/33 is for PPPoE while the other PVCs are for IP set-top box (video). The LAN interfaces are ENET1, ENET2, ENET3, and ENET4. The Interface Grouping configuration will be: 1. Default: ENET1, ENET2, ENET3, and ENET4. 2. Video: nas_0_36, nas_0_37, and nas_0_38. The DHCP vendor ID is "Video". If the onboard DHCP server is running on "Default" and the remote DHCP server is running on PVC 0/36 (i.e. for set-top box use only). LAN side clients can get IP addresses from the CPE's DHCP server and access the Internet via PPPoE (0/33). If a set-top box is connected to ENET1 and sends a DHCP request with vendor ID "Video", the local DHCP server will forward this request to the remote DHCP server. The Interface Grouping configuration will automatically change to the following: 1. Default: ENET2, ENET3, and ENET4 2. Video: nas_0_36, nas_0_37, nas_0_38, and ENET1.

96 5.18 IP Tunnel 5.18.1 IPv6inIPv4 Configure 6in4 tunneling to encapsulate IPv6 traffic over explicitly-configured IPv4 links. Click the Add button to display the following.

97 Options Description Tunnel Name Input a name for the tunnel Mechanism Mechanism used by the tunnel deployment Associated WAN Interface Select the WAN interface to be used by the tunnel Associated LAN Interface Select the LAN interface to be included in the tunnelManual/Automatic Select automatic for point-to-multipoint tunneling / manual for point-to-point tunneling IPv4 Mask Length The subnet mask length used for the IPv4 interface6rd Prefix with Prefix Length Prefix and prefix length used for the IPv6 interface Border Relay IPv4 Address Input the IPv4 address of the other device

98 5.18.2 IPv4inIPv6 Configure 4in6 tunneling to encapsulate IPv4 traffic over an IPv6-only environment. Click the Add button to display the following.

99 Options Description Tunnel Name Input a name for the tunnel Mechanism Mechanism used by the tunnel deployment Associated WAN Interface Select the WAN interface to be used by the tunnel Associated LAN Interface Select the LAN interface to be included in the tunnelManual/Automatic Select automatic for point-to-multipoint tunneling / manual for point-to-point tunneling AFTR Address of Address Family Translation Router

100 5.19 IPSec You can add, edit or remove IPSec tunnel mode connections from this page. Click Add New Connection to add a new IPSec termination rule. The following screen will display.

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